Distributor \Dis*trib"u*tor\, n. [L.]

One that distributes; a distributer; specif.:
   (a) A machine for distributing type.
   (b) An appliance, as a roller, in a printing press, for distributing ink.
   (c) An apparatus for distributing an electric current, either to various points in rotation, as in some motors, or along two or more lines in parallel, as in a distributing system.

Source: Webster's Revised Unabridged Dictionary (1913)